Plastic Spacers in Coldrooms and PUFF Panels
Essential Components for Efficient Insulation
Plastic spacers play a crucial role in the construction and efficiency of coldrooms and PUFF (Polyurethane Foam-Filled) panels. These small but essential components create consistent spacing between panels, ensuring uniform insulation, reducing thermal bridging, and maintaining the structural integrity of cold storage units. Let’s dive into the details of plastic spacer types and their specific applications in coldrooms and PUFF panels.
Why Plastic Spacers Matter in Coldroom and PUFF Panel Installation
In coldrooms, where temperature control is paramount, PUFF panels are commonly used for their superior insulation properties. These panels, typically made of insulated metal sheets with a polyurethane core, provide the necessary thermal resistance to maintain low temperatures. However, proper installation with the use of plastic spacers is essential to maximize insulation and avoid gaps that can cause energy inefficiency and compromise the storage environment.
Plastic spacers are placed between panels to ensure consistent spacing, prevent direct metal-to-metal contact, and create a more robust panel alignment. These spacers come in various shapes and designs to accommodate specific needs and structural requirements.
Types of Plastic Spacers
There are three main types of plastic spacers used in coldroom and PUFF panel installations:
1. Hut Corner Spacer
Description: The hut corner spacer is designed to support panel alignment at the corners, where multiple panels meet. It has a unique hut shape that provides structural stability and helps to lock panels into place without affecting the insulation quality.
Applications: Hut corner spacers are typically used in coldroom corners and areas where PUFF panels meet at different angles. They ensure that the panels form a seamless junction, reducing the risk of gaps and thermal leakage. This type of spacer is highly effective in coldrooms where the corners are more susceptible to thermal bridging.
Benefits:
- Enhances corner stability and alignment.
- Prevents gaps in the insulation at critical junctures.
- Reduces thermal bridging at panel intersections.
2. Triangle Spacer
Description: The triangle spacer, with its triangular shape, is commonly used between flat panel surfaces to maintain uniform spacing. Its shape provides additional support and helps evenly distribute pressure across panel joints.
Applications: Triangle spacers are ideal for flat sections within coldrooms where continuous spacing between panels is required. They are also commonly used in larger installations, as they ensure a uniform gap between panels, improving overall insulation and reducing the chance of cold air escape.
Benefits:
- Maintains consistent panel spacing.
- Reduces direct metal-to-metal contact, enhancing insulation.
- Distributes pressure evenly across panel joints.
3. Round Spacer
Description: The round spacer is a versatile and widely used plastic spacer with a circular design. It is used in various parts of the coldroom to create even spacing between panels, reducing thermal bridging and ensuring effective insulation.
Applications: Round spacers are highly adaptable and can be used in multiple areas within coldrooms and PUFF panel installations. They are often used in areas where flexibility and easy installation are required, providing reliable support for panels without compromising thermal efficiency.
Benefits:
- Versatile and easy to install.
- Reduces thermal bridging across panel surfaces.
- Effective in maintaining uniform spacing and insulation.
How to Choose the Right Plastic Spacer
Selecting the correct plastic spacer for your coldroom or PUFF panel installation depends on the specific requirements of the project. Here are some key factors to consider:
- Structure and Alignment Needs: For corner stability, opt for hut corner spacers. For flat panel joints, triangle or round spacers may be more appropriate.
- Panel Size and Thickness: The thickness of the PUFF panels and the size of the coldroom may impact spacer choice. Thicker panels may require larger spacers to maintain appropriate spacing.
- Installation Environment: Coldrooms with complex structures or irregular shapes may require a combination of spacers for optimal alignment and insulation.


